On Mon, 3 Apr 2017, 19:21 Ralf Mardorf, <ralf.mardorf(a)alice-dsl.net> wrote:
  However, those real-time settings are all that's
needed to get jack
 working. That's why I mentioned that pulseaudio _likely_ could be an
 issue for users not _familiar_ with Linux audio and Linux desktops.
 
The default PulseAudio configuration on Ubuntu times out and releases the
soundcard after a short period of inactivity. Unless you're trying to start
JACK in that short window it's likely not the issue.
Best wishes,
Neil
  -- 
Neil C Smith
Artist & Technologist
www.neilcsmith.net
Praxis LIVE - hybrid visual IDE for creative coding - 
www.praxislive.org